Treatment for reducing water coning in an oil reservoir

Details Treatment for reducing water coning in an oil reservoir Treatment for reducing water coning in an oil reservoir

1990-06-15

1991-11-05

Suchfield, George A.

Wells

Processes

Cyclic injection then production of a single well

166261, 166268, 1663051, E21B 4312, E21B 4316

Patent

active

050624830

ABSTRACT:
The invention has application only to a first oil well producing oil having a high water cut, said oil well being completed in a reservoir having an increased gas saturation, in the vicinity of the first oil well, arising from injection of gas through an adjacent injection well. The first oil well is treated by injecting through it into the reservoir a slug of non-condensible gas in an amount between about 40,000 m.sup.3 and 200,000 m.sup.3. The first well is then placed back on production and its water cut is significantly reduced.

REFERENCES:
patent: 1099170 (1914-06-01), Dunn
patent: 2258614 (1941-10-01), Kendrick
patent: 2832416 (1958-04-01), Allen
patent: 3369605 (1968-02-01), Donaldson et al.
patent: 3468129 (1969-09-01), Knutson
patent: 3500914 (1970-03-01), Petteway
patent: 3525400 (1970-08-01), Pollock et al.
patent: 4560003 (1985-12-01), McMillen et al.
patent: 4665989 (1987-05-01), Wilson

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